Lower Heat Exchanger

This section provides instructions for replacing the lower heat exchanger in the Power Block.

Required Tools and Materials

ChargePoint coolant

ChargePoint coolant

Clean rags

Clean rags

Before You Begin

Before servicing the component, complete the following steps:

  1. Power off.

  2. Remove front upper, mid, and lower panels.

  3. Remove front door.

AFTER REPLACING THE COMPONENTS, REVERSE THE ABOVE STEPS TO COMPLETE THE SERVICE.

Replace the Lower Heat Exchanger

  1. Disconnect the cable. Unscrew the round connector housing and unplug the connector.

    IMPORTANT: Do not pull the cable. Pull the connector.

    Disconnect the cable. Unscrew the round connector housing and unplug the connector while taking care to pull the connector and not the cable.

  2. Pull the latches (x2).

    Pull the two latches

  3. While the latches are pulled, pull the heat exchanger tray to slide the heat exchanger off the shelf.

    While the latches are pulled, pull the heat exchanger tray to slide the heat exchanger off the shelf.

Reverse the above steps to reinstall with replacement FRUClosed Field Replaceable Unit.

Always refill or top off coolant when you service a part of the cooling system or remove, reinstall, or replace a Power Module.

While reinstalling, align and seat the heat exchanger tray onto the top shelf, and then push it in until the latches (x2) lock the tray in position.



While reinstalling, align and seat the heat exchanger tray onto the top shelf, and then push it in until the two latches lock the tray in position.

See Lower Fan Tray, if you want to replace it.